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openni2_camera

ROS2 wrapper for openni 2.0

Note: openni2_camera supports xtion devices, but not Kinects.

Running ROS2 Driver

An example launch exists that loads just the camera component:

ros2 launch openni2_camera camera_only.launch.py

If you want to get a PointCloud2, use:

ros2 launch openni2_camera camera_with_cloud.launch.py

Migration from ROS1

  • The GetService message has moved to a new openni2_camera_msgs package.
  • The rgb/image topic has been renamed to rgb/image_raw for consistency.
  • The nodelet has been refactored into an rclcpp component called "openni2_wrapper::OpenNI2Driver". See the launch folder for an example of how to start this.
  • Since most components in image_proc/depth_image_proc lack lazy pub/sub, the advanced processing graphs in rgbd_launch and openni2_launch are not currently feasible. It is recommended to create a launch file with the specific pipeline you want. See the launch folder for an example.

Known Issues

  • There are currently no subscriber connect/disconnect callbacks in ROS2. This package implements a lazy publisher by running a 1Hz update loop and seeing if there are new subscribers.
  • Using "use_device_time" is currently broken.

Languages

  • C++ 91.8%
  • Python 4.2%
  • CMake 2.1%
  • C 1.9%